Catherine O'Leary

Catherine O'Leary
Born
Catherine Donegan

March 1827
DiedJuly 3, 1895(1895-07-03) (aged 68)
Chicago, Illinois, U.S.
Burial placeMount Olivet Cemetery
SpousePatrick O'Leary
Children5

Catherine O'Leary (née Donegan; March 1827 – July 3, 1895) was an Irish immigrant living in Chicago, Illinois, who was alleged to have started the Great Chicago Fire of 1871 in an accident involving her cow. Born Catherine Donegan, she and her husband, Patrick O'Leary, had three children. Their son, James Patrick O'Leary, later ran a Chicago saloon and gambling hall.